Payment service providers

Payment service providers bring together all of the usual payment methods for an online store using a secure interface. 

As a general rule, an online store cannot implement a cashless payment system itself. It requires an external provider: the payment service provider (PSP). The PSP is authorized to integrate payment methods such as Mastercard, Visa, PayPal, PostFinance or Twint into the online shop.

In addition to credit cards, the PSP offers all the usual payment methods for an online store (bank transfer, PayPal, etc.). Specifically, this paying service takes the form of a modular interface to be installed on the website. The PSP also offers additional services, including certification of customer solvency and risk assessment.

The largest payment service providers for Swiss online shops are:

  • DataTrans
  • PostFinance
  • SIX Payments
  • Payrexx
  • PayPal
  • Stripe

A PSP’s costs are usually made up of three elements:

  • Set-up costs
  • Monthly fixed costs
  • Costs per transaction, which vary between CHF 0.20 and CHF 1.10, depending on the volume of transactions

For credit card payments, additional costs are payable in addition to the PSP's costs. These are fees paid to the financial institution responsible for settling the transactions (Six, Aduno, etc.). Typically, these fees are between 2.5% and 3.5% of the purchase price.

Payment service providers may also offer mobile payments.


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Last modification 21.10.2019

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